m=[1,2,3,4,5]
m.append(11)
print(m)#m=[1,2,3,4,5,11]
n=['a','b']
m=m+n
print(m)#m=[1,2,3,4,5,11,'a','b']
m.extend(n)
print(m)#m=[1,2,3,4,5,11,‘a’,‘b’,‘a’,‘b’]
m.append(n)#m=[1,2,3,4,5,11,‘a’,‘b’,‘a’,‘b’,['a','b']]6.1.2列表-添加元素
print(m)